Check out the AJAX GlassProtect – Small Wireless Detector.
Able to compliment any Ajax system, this will help detect & notify you of broken glass using an electret microphone, which registers the sound of impact against the glass and of the glass falling in a home, shop or office.
Principle of operation
Features
This Ajax MotionProtect is jam-packed with great features.
Ajax systems are ECHO-ready (read more here).